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Old 12-13-2007, 09:01 PM   #1
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Default P0354 Ignition Coil D Primary/Secondary Circuit Malfunction

what coil is "D" so i can check it to see if there is any cracks or broken wires
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Old 12-14-2007, 02:45 AM   #2
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Anytime I have seen that code set it has usually been a coil that bit the dust. The coils are labeld a-i in for diagnostic purposes. I'll have to look at alldata in the morning at the shop to see which coil driver circuit D is for.
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Old 12-14-2007, 09:56 AM   #3
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P0354 is Ignition Coil 4 Control Circuit
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Old 12-17-2008, 06:06 AM   #4
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which is? cause I also have this code, and don't know what should I be checking?!
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Old 12-18-2008, 04:19 PM   #5
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1-8-7-2-6-5-4-3
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Old 12-18-2008, 06:23 PM   #6
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my question was said in a wrong way... I ment... which each piston was... on the block itself... how do I know this is number one, that is number 3... etc...
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Old 12-18-2008, 07:08 PM   #7
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Firewall

8 7
6 5
4 3
2 1

Radiator
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Old 12-18-2008, 07:17 PM   #8
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thanks alot guys
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Old 12-16-2011, 09:52 PM   #9
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Default P0354

Hey guys-

After reading this post concerning the code, "P0354 Ignition Coil D Primary/Secondary Circuit Malfunction"

I have 2004 F150 V8 5.4L trition.

I have the same code and after reading ya all posts. I replaced all spark plugs.. one spark plug broke on #1... I ordered a broken spark plug remover called, " Lisle #65600" Which worked fanastic!

After all that, I replaced #4 coil... after a 2 mile drive test, engine light came back and the code is the same even after I erased the code before the test drive.. the truck drove shaken like it's misfire... I am at loss... anybody got an idea what I am dealing with on this?
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Old 12-17-2011, 05:25 PM   #10
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Quote:
Originally Posted by Mikeshaft View Post
Hey guys-

After reading this post concerning the code, "P0354 Ignition Coil D Primary/Secondary Circuit Malfunction"

I have 2004 F150 V8 5.4L trition.

I have the same code and after reading ya all posts. I replaced all spark plugs.. one spark plug broke on #1... I ordered a broken spark plug remover called, " Lisle #65600" Which worked fanastic!

After all that, I replaced #4 coil... after a 2 mile drive test, engine light came back and the code is the same even after I erased the code before the test drive.. the truck drove shaken like it's misfire... I am at loss... anybody got an idea what I am dealing with on this?

Your lucky it only broke one plug coming out.
Cylinder 4 is the rear most on the passenger side of a ford.
Real bad design IMO the heater hoses are on top of it where they seeping some?
It will take out the coil's connector in some cases.
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Old 12-17-2011, 05:25 PM
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circuit, circut, code, coil, d, fault, ign, ignition, location, malf, malfunction, p0354, primary, primarysecondary, secondary


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